There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
As easy as you can get into me, it is as hard to get out of me. Do you know what I am?
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
Can you find a five letter word that is left with only two letters if one is removed?
What is the end of everything?
Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols. 9 # 8 # 7 # 6 # 5 # 4 = 91
Can you move 2 matchsticks to form four equal sized squares.
The more it dries, the wetter it becomes. Can you tell what it is?
Count the number of lines in the image below ?
What has many keys but can’t open a single lock?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.